58 lines
1.3 KiB
Nix
58 lines
1.3 KiB
Nix
{
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lib,
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buildPythonPackage,
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llvmPackages,
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setuptools,
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writeText,
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}:
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let
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libclang = llvmPackages.libclang;
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pyproject_toml = writeText "pyproject.toml" ''
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[build-system]
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requires = ["setuptools>=42", "wheel"]
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build-backend = "setuptools.build_meta"
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'';
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setup_cfg = writeText "setup.cfg" ''
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[metadata]
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name = clang
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version = ${libclang.version}
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[options]
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packages = clang
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'';
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in
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buildPythonPackage {
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pname = "libclang";
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format = "pyproject";
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inherit (libclang) version src;
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buildInputs = [ setuptools ];
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postUnpack = ''
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# set source root to python bindings
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if [ -e "$sourceRoot/clang/bindings/python" ]; then
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# LLVM 13+ puts clang sources in subdirectory instead of plain tarball
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sourceRoot="$sourceRoot/clang/bindings/python"
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else
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sourceRoot="$sourceRoot/bindings/python"
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fi
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'';
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postPatch = ''
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# link in our own build info to build as a python package
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ln -s ${pyproject_toml} ./pyproject.toml
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ln -s ${setup_cfg} ./setup.cfg
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# set passed libclang for runtime
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echo 'Config.set_library_path("${lib.getLib libclang}/lib")' >>./clang/cindex.py
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'';
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meta = libclang.meta // {
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description = "Python bindings for the C language family frontend for LLVM";
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maintainers = with lib.maintainers; [ ];
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};
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}
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